13212204652 has 12 divisors (see below), whose sum is σ = 23176543320. Its totient is φ = 6590335136.

The previous prime is 13212204647. The next prime is 13212204661. The reversal of 13212204652 is 25640221231.

It is a super-2 number, since 2×13212204652² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13212204652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3939913 + ... + 3943264.

It is an arithmetic number, because the mean of its divisors is an integer number (1931378610).

Almost surely, 2^13212204652 is an apocalyptic number.

It is an amenable number.

13212204652 is a deficient number, since it is larger than the sum of its proper divisors (9964338668).

13212204652 is a wasteful number, since it uses less digits than its factorization.

13212204652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7883600 (or 7883598 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 13212204652 its reverse (25640221231), we get a palindrome (38852425883).

The spelling of 13212204652 in words is "thirteen billion, two hundred twelve million, two hundred four thousand, six hundred fifty-two".